OFDPE
get_table_stats( table_stats **stats, uint8_t *n_tables ) {
assert( stats != NULL );
assert( n_tables != NULL );
if ( !lock_pipeline() ) {
return ERROR_LOCK;
}
*stats = xmalloc( sizeof( table_stats ) * N_FLOW_TABLES );
memset( *stats, 0, sizeof( table_stats ) * N_FLOW_TABLES );
*n_tables = 0;
table_stats *stat = *stats;
for ( uint8_t i = 0; i <= FLOW_TABLE_ID_MAX; i++ ) {
stat->table_id = i;
stat->active_count = get_active_count( i );
stat->lookup_count = get_lookup_count( i );
stat->matched_count = get_matched_count( i );
stat++;
( *n_tables )++;
}
if ( !unlock_pipeline() ) {
return ERROR_UNLOCK;
}
return OFDPE_SUCCESS;
}
OFDPE
add_flow_entry( const uint8_t table_id, flow_entry *entry, const uint16_t flags ) {
if ( !valid_table_id( table_id ) ) {
return ERROR_OFDPE_FLOW_MOD_FAILED_BAD_TABLE_ID;
}
if ( entry == NULL ) {
return ERROR_INVALID_PARAMETER;
}
if ( !lock_pipeline() ) {
return ERROR_LOCK;
}
flow_table *table = get_flow_table( table_id );
if ( table == NULL ) {
return ERROR_OFDPE_FLOW_MOD_FAILED_BAD_TABLE_ID;
}
if ( table->features.max_entries <= get_active_count( table_id ) ) {
return ERROR_OFDPE_FLOW_MOD_FAILED_TABLE_FULL;
}
OFDPE ret = validate_instruction_set( entry->instructions, table->features.metadata_write );
if ( ret == OFDPE_SUCCESS ) {
entry->table_id = table_id;
ret = insert_flow_entry( table, entry, flags );
if ( ret == OFDPE_SUCCESS ) {
increment_reference_counters_in_groups( entry->instructions );
}
}
if ( !unlock_pipeline() ) {
return ERROR_UNLOCK;
}
return ret;
}
bool locked()
{
return get_active_count()>=lock_flag_value;
}
